Resolving dependencies... cabal: Could not resolve dependencies: next goal: keter (user goal) rejecting: keter-1.4.3.1, 1.4.3, 1.4.2.1, 1.4.1, 1.4.0.1, 1.4.0, 1.3.10.1, 1.3.10, 1.3.9.2, 1.3.9.1, 1.3.9, 1.3.8, 1.3.7.1, 1.3.7, 1.3.6, 1.3.5.3 (global constraint requires ==1.3.5.2) trying: keter-1.3.5.2 trying: warp-3.1.6 (dependency of keter-1.3.5.2) next goal: wai-app-static (dependency of keter-1.3.5.2) rejecting: wai-app-static-3.1.1, 3.1.0.1, 3.1.0 (conflict: keter => wai-app-static>=3.0 && <3.1) rejecting: wai-app-static-3.0.1.1, 3.0.1 (conflict: warp==3.1.6, wai-app-static => warp>=3.0.11 && <3.1) rejecting: wai-app-static-3.0.0.6, 3.0.0.5, 3.0.0.4, 3.0.0.3, 3.0.0.2, 3.0.0.1, 3.0.0 (conflict: warp==3.1.6, wai-app-static => warp>=3.0 && <3.1) rejecting: wai-app-static-2.0.1.1, 2.0.1, 2.0.0.5, 2.0.0.4, 2.0.0.3, 2.0.0.2, 2.0.0.1, 2.0.0, 1.3.3.1, 1.3.3, 1.3.2.1, 1.3.2, 1.3.1.4, 1.3.1.3, 1.3.1.2, 1.3.1.1, 1.3.1, 1.3.0.5, 1.3.0.4, 1.3.0.3, 1.3.0.2, 1.3.0.1, 1.3.0, 1.2.0.4, 1.2.0.3, 1.2.0.2, 1.2.0.1, 1.2.0, 1.1.2, 1.1.1, 1.1.0, 1.0.0, 0.3.5.1, 0.3.5, 0.3.4, 0.3.3, 0.3.1.1, 0.3.0, 0.2.0, 0.1.0, 0.0.1.4, 0.0.1.3, 0.0.1.2, 0.0.1.1, 0.0.1, 0.0.0 (conflict: keter => wai-app-static>=3.0 && <3.1) Backjump limit reached (change with --max-backjumps).